<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>完整轮播图-点击切换</title>
    <style>
        * {
            box-sizing: border-box;
        }

        .slider {
            width: 560px;
            height: 400px;
            overflow: hidden;
        }

        .slider-wrapper {
            width: 100%;
            height: 320px;
        }

        .slider-wrapper img {
            width: 100%;
            height: 100%;
            display: block;
        }

        .slider-footer {
            height: 80px;
            background-color: rgb(100, 67, 68);
            padding: 12px 12px 0 12px;
            position: relative;
        }

        .slider-footer .toggle {
            position: absolute;
            right: 0;
            top: 12px;
            display: flex;
        }

        .slider-footer .toggle button {
            margin-right: 12px;
            width: 28px;
            height: 28px;
            appearance: none;
            border: none;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-radius: 4px;
            cursor: pointer;
        }

        .slider-footer .toggle button:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .slider-footer p {
            margin: 0;
            color: #fff;
            font-size: 18px;
            margin-bottom: 10px;
        }

        .slider-indicator {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
        }

        .slider-indicator li {
            width: 8px;
            height: 8px;
            margin: 4px;
            border-radius: 50%;
            background: #fff;
            opacity: 0.4;
            cursor: pointer;
        }

        .slider-indicator li.active {
            width: 12px;
            height: 12px;
            opacity: 1;
        }
    </style>
</head>

<body>
    <div class="slider">
        <div class="slider-wrapper">
            <img src="../images/slider01.jpg" alt="" />
        </div>
        <div class="slider-footer">
            <p>对人类来说会不会太超前了？</p>
            <ul class="slider-indicator">
                <li class="active"></li>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
                <li></li>
            </ul>
            <div class="toggle">
                <button class="prev">&lt;</button>
                <button class="next">&gt;</button>
            </div>
        </div>
    </div>
    <script>
        // 1. 初始数据
        const sliderData = [
            { url: '../images/slider01.jpg', title: '对人类来说会不会太超前了？', color: 'rgb(100, 67, 68)' },
            { url: '../images/slider02.jpg', title: '开启剑与雪的黑暗传说！', color: 'rgb(43, 35, 26)' },
            { url: '../images/slider03.jpg', title: '真正的jo厨出现了！', color: 'rgb(36, 31, 33)' },
            { url: '../images/slider04.jpg', title: '李玉刚：让世界通过B站看到东方大国文化', color: 'rgb(139, 98, 66)' },
            { url: '../images/slider05.jpg', title: '快来分享你的寒假日常吧~', color: 'rgb(67, 90, 92)' },
            { url: '../images/slider06.jpg', title: '哔哩哔哩小年YEAH', color: 'rgb(166, 131, 143)' },
            { url: '../images/slider07.jpg', title: '一站式解决你的电脑配置问题！！！', color: 'rgb(53, 29, 25)' },
            { url: '../images/slider08.jpg', title: '谁不想和小猫咪贴贴呢！', color: 'rgb(99, 72, 114)' },
        ]

        // 获取标签
        const prev = document.querySelector('.prev');
        const next = document.querySelector('.next');
        const lilist = document.querySelectorAll('li');
        const img = document.querySelector('img');
        const p = document.querySelector('p');
        const footer = document.querySelector('.slider-footer');
        const toggle = document.querySelector('.toggle');
        let index = 0;
        let timeId;
        // 给dom标签传递值

        // 开启定时器
        getInterval();

        // 上一张按钮
        prev.addEventListener('click', function (e) {
            index--;
            if (index <= -1) {
                index = sliderData.length - 1;
            }
            showSildeByIndex();
        });

        // 下一张按钮
        next.addEventListener('click', function (e) {
            index++;
            if (index >= sliderData.length) {
                index = 0;
            };
            showSildeByIndex();
        });

        // 当鼠标移入切换按钮时，停止计时器
        toggle.addEventListener('mouseenter', function (e) {
            // 暂停计时器
            clearInterval(timeId);
        });
        // 当鼠标移出切换按钮时，开始计时器
        toggle.addEventListener('mouseleave', function (e) {
            // 开启计时器
            getInterval();
        });

        // 切换赋值函数
        function showSildeByIndex() {
            p.innerText = sliderData[index].title;
            img.src = sliderData[index].url;
            footer.style.backgroundColor = `${sliderData[index].color}`;
            document.querySelector('.active').classList.remove('active');
            lilist[index].classList.add('active');
        };

        // 定时器
        function getInterval() {
            timeId = setInterval(function () {
                // 调用下一张切换函数，模拟顺序播放
                next.click();
            }, 1500);
        };

    </script>
</body>

</html>